Protective non-slip mat



FIG. 1 is a front plan view of a protective non-slip mat showing our new design;

FIG. 2 is a side plan view of thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a rear plan view thereof; and,

FIG. 5 is an exploded view of circumscribed section 5 of the rear plan view of FIG. 4.

The cross-line pattern is partially shown for ease of illustration and is understood to repeat uniformly throughout the indicated area. 

The ornamental design for a protective non-slip mat, as shown and described. 